http://ark.intel.com/KO/Products/VirtualizationTechnology

Desktop CPUS

Core 2 Duo
E4300/4400/4500/4600/4700	NO
E6300/6320/6400/6420/6540/6550	YES
E6600/6700/6750/6850	YES
E7200/7300/7400/7500	NO
E8190	NO
E8200/8300/8400/8500/8600	YES
Core 2 Extreme
QX6700/6800/6850	YES
QX9650/9770/9775	YES
X6800	YES
Core 2 Quad
Q6600/6700	YES
Q8200/8200S/8300/8400/8400S	NO
Q9300/9400/9400S	YES
Q9450/9550/9550S/9650	YES
Core i7/Core i7 Extreme
I7-920/940	YES
I7-965	YES
Pentium D/Pentium EE
805/820/830/840	NO
915/925/935/945	NO
920/930/940/950/960	YES
955/965	YES
Pentium for Desktop
E2140/2160/2180/2200/2220	NO
E5200/5300/5400	NO

Mobile CPU products

Core 2 Duo Mobile
L7200/7300/7400/7500	YES
P7350/7450	NO
P7370	YES
P8400/8600/8700/9500/9600	YES
SL9300/9400/9600	YES
SP9300/9400/9600	YES
SU9300/9400/9600	YES
T5200/5250/5270/5300/5450/5470	NO
T5500/5600	YES
T5550/5670/5750/5800/5850/5870/5900	NO
T6400/6570	NO
T7100/7200/7250/7300/7400	YES
T7500/7600/7700/7800	YES
T8100/8300	YES
T9300/9400/9500/9550/9600/9800	YES
U7500/U7600	YES
Core 2 Extreme Mobile
QX9300	YES
X7800/7900	YES
X9000/9100	YES
Core 2 Quad Mobile
Q9000	YES
Q9100	NO
Core 2 Solo
SU3300/3500	YES
U2100/2200	YES
Core Duo
L2300/2400/2500	YES
T2050/2250	NO
T2300/2400/2500/2600/2700	YES
T2300E/2350/2450	NO
U2400/2500	YES
Core Solo
T1300/1400	YES
T1350	NO
U1300/1400/1500	YES